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The Mammoth 50 BMG Lower (Beta 2.0)

3D Arms 57.1MiB Released January 5, 2022, 8:06 PM 100.000LBC 1 Reposts

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Odysee

Alternative links

LBRY Desktop

.50 BMG Beta Frame/Receiver

Change log:

Added a threaded rod option

small dimensional changes otherwise.

Related to This Release

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Chonkyboi lower receiver for mil spec upper

3d printing custom guns

August 26, 2022, 3:19 PM

Rifle AR-15 Frame/Receiver

This lower is designed to work with a mil spec ar15 upper receiver with forward assist and rear charging handle. It requires -1x AR FCG -1x carbin…

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ALPHA: glock style sar 9 frame

3d printing custom guns

February 8, 2025, 9:25 PM

9x19mm Handgun Beta Frame/Receiver

full disclosure, I don't own a sar 9 or a parts kit, i haven't printed this model yet. the internal geometry is based on @ArmThyRightHand https://ody…

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DEFIANCE AR LOWER GEN 1 Version 1.0

July 25, 2025, 3:24 PM (Updated)

Rifle Beta AR-15 Frame/Receiver

The Defiance is a two piece AR-15 lower that utilizes ideal print orientations and hidden reinforcements to withstand heavy use in the field. This lo…

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AR-15 Super Lower V3.1 - Enclave REMIX

September 9, 2023, 2:19 PM

Rifle AR-15 Frame/Receiver

This is my Remix of the AR-15 Super Lower V3.1. I added the Enclave (FOR THE ENCLAVE) Insignia for you fallout enthusiasts like myself ;) Follow the …

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BETA: m9/Beretta 92fs +1 magazine follower.

3d printing custom guns

March 16, 2025, 12:25 PM

9x19mm Beretta Beta 92fs Magazine

this is a direct replacement for an M9 style magazine follower that increases the capacity from 15 to 16. this is designed to worth with the factory …